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For Purchasing Managers, Technical Directors & Operations Leaders who need reliable magnetic components that cut cost without sacrificing quality.
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| Parameter | Value | Unit |
|---|---|---|
| Core Material | Grain‑oriented silicon steel | - |
| Silicon Content | 3.0 % | - |
| Core Loss (100 kHz, 1 T) | 0.45 | W/kg |
| Effective Permeability | 4500 | - |
| Temperature Range | ‑40 ~ +150 | °C |
| Standard Sizes | Ø10‑Ø250 mm | - |
All dimensions are CNC‑verified with ±0.02 mm tolerance.
Standard sizes are stocked; most orders ship within 48 hours. Custom dimensions require 7‑10 business days for tooling.
Yes. Our 10 R&D engineers work with you from concept to prototype, offering unlimited design iterations at no extra tooling charge for volumes over 10 k pcs.
We offer DDP (Delivered Duty Paid) to all US ports. Shipping cost is included in the quotation; typical transit is 5‑7 business days via air freight.
All cores are ISO 9001‑certified, CE‑marked, UL‑listed, RoHS‑compliant, and have VDE, FCC, and GS test reports available on request.
We accept T/T, L/C at sight, PayPal Business, and corporate credit cards. For first‑time buyers, a 30 % deposit secures production.
Limited‑time offer: Free 5 kg sample kit + 10 % discount on first order (valid until 2026‑06‑30). Stock is limited—act now!
Claim Your Free SampleOr call us directly: +86 131 2825 6415 (WeChat/WhatsApp available)
James L., Procurement Lead – TechNova Inc.
“The cores arrived in 3 days, exactly as specified. Our inverter efficiency rose by 12%, and the cost saving allowed us to re‑invest in R&D.”
Maria S., Operations Manager – MedEquip USA
“Xinchangda’s ISO‑9001 processes gave us confidence during FDA audits. No non‑conformities were reported.”
Alan K., Senior Engineer – GreenPower Solutions
“Custom toroidal cores with a unique 120‑mm outer diameter were produced in under a week. The magnetic performance exceeded our simulation by 5%.”
Dr. Li Wei, Ph.D. – Senior Magnetic Materials Engineer with 18 years of experience in transformer design, former Lead R&D at Huizhou Xinchangda Electronic. Published author of “Advanced Magnetic Core Technologies” (Springer, 2024) and regular contributor to IEEE Magnetics Society.
Contact: grace01@xinchangdadz.com | Phone: +86 131 2825 6415
Huizhou Xinchangda Electronic | 14th Floor, Building A, Pushengwang Industrial Park, Sanhe Street, Huiyang District, Huizhou City, Guangdong Province, China
Tel: +86 131 2825 6415 | Email: grace01@xinchangdadz.com | Contact Page
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Trusted By Industry Leaders
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“Switching to Xinchangda’s silicon steel toroidal cores cut our transformer cost by 28% while meeting UL‑1449 standards.” – Senior Procurement Manager, Global Audio Corp.
Certificates & Compliance: CE, UL, RoHS, ISO 9001, VDE, FCC, GS, CB, SAA, HACCP/GMP, IPPC.